package com.zuofei.springcloud.interceptor;

import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class LoginInterceptor extends HandlerInterceptorAdapter {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {

       if(request.getSession().getAttribute("user") == null){
           response.sendRedirect("/admin");
           return false;//不往下执行
       }
        return true;
    }
}
